C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

another sea foam question

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Old Jan 18, 2013 | 08:02 PM
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I have sea foamed many vehicles before but never one that has a carburetor or this big of an engine( i have done 3 mini trucks). I know size matters... hahaha... so should i up the dose to a can in the tank and a can through the brake booster? Or should i do half and half with booster and oil then the other in the gas. What combination? Also i am gonna spray some carb gum out cleaner too!
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Old Jan 18, 2013 | 08:18 PM
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everything in moderation, what? trying to rebuild the engine with the stuff?
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Old Jan 18, 2013 | 09:26 PM
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No im just trying to clean it real well! considering the exterior of this engine im assuming the inside is going to be extremely dirty too!

So what should i go with? With my truck i did half and half for oil brake booster then 1 for fuel. What should i go with on the vette?
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Old Jan 18, 2013 | 09:48 PM
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one bottle, gauge the result, repeat 6 months later
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Old Jan 18, 2013 | 11:43 PM
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Originally Posted by zu13
So what should i go with? With my truck i did half and half for oil brake booster then 1 for fuel. What should i go with on the vette?
Yes, do the same for your 350.
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Old Jan 18, 2013 | 11:51 PM
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i wouldn't put that $hit in the oil dude
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Old Jan 19, 2013 | 12:28 AM
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I agree with Slick. Put a can in the gas tank and maybe run some through the intake to clean the top end, but you should avoid adding it directly to the oil.

Last edited by jesredvette; Jan 19, 2013 at 12:32 AM.
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Old Jan 19, 2013 | 02:29 AM
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Brake Booster is the only way i'd do it. The inside of the Motor is probably not as bad as you think. Good way to get an idea is, look at the inside of the oil Cap. If it has more than normal Build up. Then make sure your EGR and PCV are working correctly and maybe add some to the oil. I Wouldn't even consider adding it to the fuel tank. I just wouldn't use it period.

Last edited by The HeLLRaZoR; Jan 19, 2013 at 02:32 AM.
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Old Jan 19, 2013 | 03:13 AM
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Ditto on not in the oil

Go run the dogsnot out of the motor when warm what carbon is leftover wont hurt a thing. aka Italian Tuneup
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Old Jan 19, 2013 | 01:53 PM
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If the car is running fine, just leave it alone.
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Old Jan 19, 2013 | 04:24 PM
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Amsoil makes a good engine flush, I trust all of their products.
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Old Jan 19, 2013 | 06:17 PM
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heard water vapor/steam does the same thing to the carbon build-up
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Old Jan 19, 2013 | 06:58 PM
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Can though everything. Seriously, sounds expensive but if you do it safely, it can work magic.
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Old Jan 20, 2013 | 12:01 PM
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Originally Posted by zu13
I have sea foamed many vehicles before but never one that has a carburetor or this big of an engine( i have done 3 mini trucks). I know size matters... hahaha... so should i up the dose to a can in the tank and a can through the brake booster? Or should i do half and half with booster and oil then the other in the gas. What combination? Also i am gonna spray some carb gum out cleaner too!
WHAT ARE YOU TRYING TO ACCOMPLISH HERE? Why are you pouring something in your engine that you:
1. don't know what it is
2. don't know what it does
3. don't know where you should be pouring it (Seafoam claims that you can/should dump it in ALL you're engine's orifices(!). I feel that it should go in none.)

If you state your purpose, we might be able to assist you better. FYI, HERE is the MSDS. You'll see it's made up of Naptha, alcohol, and very light oil. It's an elixir.
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Old Jan 20, 2013 | 12:23 PM
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What are you trying to fix? Snake oil isn't the cure! Turning wrenches is. Take your time and fix it right. h
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Old Jan 20, 2013 | 12:42 PM
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Thank you guys! And I'm trying to clean te engine out! And get some horse power back!
I did it two my two trucks and 4runner and it worked wanders!
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Old Jan 20, 2013 | 02:34 PM
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Huh. Didn't know that a "dirty engine" (which is basically the result of poor maintenance) caused a loss of power. Other than clogged injectors which of course can be cured more effectively with proper injector cleaner.

You sure that you didn't get a little placebo action going on w/your trucks? My truck has never seen a bottle of Seafoam (or Marvel Mystery oil, or Slick 50, or Restor, or...) and at 240,000 HARD miles, still pulls Parley's Canyon at 80mph in 5th gear -same as it ever did. My "clean engine regimen" is oil changes at proper intervals with a good synthetic oil (which has detergent in it), keeping the air filter and under hood clean, and using a decent, brand-name gasoline from a busy station (Gasoline has detergent in it as well).

Anything else (carbon in the combustion chambers) only raises compressions and can result in pinging. This can be remedied with simple (and free) H20.
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To another sea foam question

Old Jan 20, 2013 | 03:20 PM
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Well I run a carb on my engine. But I think the previous owner(I just bought on the 9th) did not maintain to well. That's why I wanted to sea foam then change fluids, spark plugs, and wires. Maybe the distributor cap too. Just do a full tune up
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Old Jan 21, 2013 | 09:30 AM
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The proof is in what comes out the exhaust. Ive seafoamed tons in vehicles, not because of shotty upkeep but mostly the deposits in the engine from cheap gas and age. Ive added to the brake booster and fuel. However I wouldnt add to the oil. ZMax engine lube does well there. With said equipment ive been able to run my c5 20º cooler and get great mpg.
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Old Jan 21, 2013 | 11:09 AM
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Originally Posted by DriftaVette
The proof is in what comes out the exhaust. Ive seafoamed tons in vehicles, not because of shotty upkeep but mostly the deposits in the engine from cheap gas and age. Ive added to the brake booster and fuel. However I wouldnt add to the oil. ZMax engine lube does well there. With said equipment ive been able to run my c5 20º cooler and get great mpg.
20* cooler huh? Right. Love to hear your *ahem* "reasoning" to explain that.

FYI, "Proof" is NOT in "what comes out the tail pipe". "What comes out the tail pipe" is smoke, and that is caused by the OIL component in the mix. Uneducated people making claims that "it's cleaning the engine b/c smoke came out" are only spreading lore, and misinformation.

Did you know that "deposits in the engine from cheap gas" ...well, that IS crapy maintenance (running sh!tty gas), but did you know that with decent gas it will self regulate anyway? I.e. it will burn itself off w/o the aid of any "magical elixirs". Even better, if you somehow do manage to accrue too much build up, plain old H20 will eliminated faster, and cheaper than an oil/alc/Naptha mix.
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